You may find the following factoring videos helpful:
Factoring using GCF:
http://youtu.be/99eDTGDe6-Y
Factoring trinomials without the leading coefficient :
http://youtu.be/CrqrUYqtwOo
Factoring trinomials with the leading coefficient:
http://youtu.be/6XkKnybj2us
berry method http://www.youtube.com/watch?v=R3PFOPZJP5o
Factoring difference of squares:
http://youtu.be/tHZboYWgtyo
Factoring sum/difference of cubes:
http://youtu.be/sBRcsJK8VlM
Dividing after factoring:
http://youtu.be/-yXunOpLTMQ